1401113340 has 72 divisors (see below), whose sum is σ = 4636417968. Its totient is φ = 339663360.

The previous prime is 1401113323. The next prime is 1401113341. The reversal of 1401113340 is 433111041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401113341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351837 + ... + 355796.

It is an arithmetic number, because the mean of its divisors is an integer number (64394694).

Almost surely, 2^1401113340 is an apocalyptic number.

1401113340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401113340 is an abundant number, since it is smaller than the sum of its proper divisors (3235304628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401113340 is a wasteful number, since it uses less digits than its factorization.

1401113340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707659 (or 707654 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1401113340 is about 37431.4485426359. The cubic root of 1401113340 is about 1118.9854066384.

Adding to 1401113340 its reverse (433111041), we get a palindrome (1834224381).

The spelling of 1401113340 in words is "one billion, four hundred one million, one hundred thirteen thousand, three hundred forty".